watchOS 6.1 (17S5054e) for Apple Watch Series 4 (44mm, LTE) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
potential future use. They might also be useful if you're doing research.
Release Date September 23, 2019 Upload Date September 20, 2019 Filename cec297d7d146ab57c19be4ad77090b160f3bfc67.zip Filesize 1.4 GiB Identifier Watch4,4
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